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H16.0

Non-billable

Corneal ulcer

H16.0 is the ICD-10-CM code for Corneal ulcer. It is a non-billable category code — use a more specific child code such as H16.00 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H16
Subcodes
8
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code H16.0?
H16.0 is the ICD-10-CM code for "Corneal ulcer". It falls under H00-H59 Diseases of the eye and adnexa.
Is H16.0 a billable code?
No — H16.0 is a non-billable header code. Use a more specific child code (such as H16.00) for billing.
What are the subcodes of H16.0?
H16.0 has 8 more specific child codes, including H16.00, H16.01, H16.02.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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